Step 1

Grease a 20cm square cake tin and line with baking paper.

Step 2

Combine custard powder and ½ cup milk in a medium saucepan until a smooth paste forms. Add the remaining milk and condensed milk and mix until combined. Place over a medium heat to bring to the boil, stirring continuously.

Step 3

Arrange lattice biscuits over the base of the prepared tin. Pour over custard and arrange a layer of lattice biscuits, shiny side up, on top. Cover and refrigerate for 3-4 hours or until custard is set.

Step 4

To serve, cut into pieces and drizzle with caramel topping.